Adrenaline

//əˈdɹɛnəlɪn// noun

Definitions

Noun
  1. 1
    Epinephrine, the hormone and neurotransmitter. uncountable, usually
  2. 2
    a catecholamine secreted by the adrenal medulla in response to stress (trade name Adrenalin); stimulates autonomic nerve action wordnet
  3. 3
    Excitement; thrills. uncountable, usually

    "Some people bungee jump to feel alive through the surge of adrenaline."

Etymology

From adrenal + -ine, coined by Japanese chemist Takamine Jōkichi in 1901.

Next best steps

Mini challenge

Unscramble this word: adrenaline